{"id":"CVE-2026-63041","aliases":["BIT-apisix-2026-63041","EUVD-2026-66409","GHSA-h244-w3g4-3cv4"],"status":"published","title":"Apache APISIX: attach-consumer-label does not strip client-supplied consumer-label headers","description":"Reliance on Untrusted Inputs in a Security Decision vulnerability in Apache APISIX.\n\nThis vulnerability allows an attacker to escalate privilege or perform an authorization bypass by sending certain values that the attach-consumer-label plugin does not sanitise correctly.\n\n\nThis issue affects Apache APISIX: from 3.11.0 through 3.17.0.\n\n\n\nUsers are recommended to upgrade to version 3.18.0, which fixes the issue.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00682,"percentile":0.52901,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-807"],"published":"2026-08-26T11:34:59Z","modified":"2026-10-28T02:30:28Z","fixes":[{"ecosystem":"Bitnami","package":"apisix","fixed_in":["3.18.0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"apisix","ranges":[{"type":"SEMVER","events":[{"introduced":"3.11.0"},{"fixed":"3.18.0"}]}]}],"products":[{"vendor":"apache","product":"apisix"},{"vendor":"apache software foundation","product":"apache apisix"}],"references":[{"url":"https://lists.apache.org/thread/yg9tgn699rz7kyglw82m1775do8frjr4","tags":["vendor-advisory","Mailing List","Vendor Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/08/26/11","tags":["Mailing List","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63041","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-h244-w3g4-3cv4"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63041.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-63041","title":"Apache APISIX: attach-consumer-label does not strip client-supplied consumer-label headers","description":"Reliance on Untrusted Inputs in a Security Decision vulnerability in Apache APISIX.\n\nThis vulnerability allows an attacker to escalate privilege or perform an authorization bypass by sending certain values that the attach-consumer-label plugin does not sanitise correctly.\n\n\nThis issue affects Apache APISIX: from 3.11.0 through 3.17.0.\n\n\n\nUsers are recommended to upgrade to version 3.18.0, which fixes the issue.","status":"published","published":"2026-08-26T11:34:59.724Z","modified":"2026-08-26T12:31:31.308Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-807"],"updated_at":"2026-11-02T14:19:56.284359Z"}],"euvd":[{"id":"EUVD-2026-66409","description":"Reliance on Untrusted Inputs in a Security Decision vulnerability in Apache APISIX.\n\nThis vulnerability allows an attacker to escalate privilege or perform an authorization bypass by sending certain values that the attach-consumer-label plugin does not sanitise correctly.\n\n\nThis issue affects Apache APISIX: from 3.11.0 through 3.17.0.\n\n\n\nUsers are recommended to upgrade to version 3.18.0, which fixes the issue.","status":"published","published":"2026-08-26T11:34:59Z","modified":"2026-08-26T12:31:31Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:01:31.267984Z"}],"ghsa":[{"id":"GHSA-h244-w3g4-3cv4","title":"Reliance on Untrusted Inputs in a Security Decision vulnerability in Apache APISIX.\n\nThis...","description":"Reliance on Untrusted Inputs in a Security Decision vulnerability in Apache APISIX.\n\nThis vulnerability allows an attacker to escalate privilege or perform an authorization bypass by sending certain values that the attach-consumer-label plugin does not sanitise correctly.\n\n\nThis issue affects Apache APISIX: from 3.11.0 through 3.17.0.\n\n\n\nUsers are recommended to upgrade to version 3.18.0, which fixes the issue.","status":"published","published":"2026-08-26T18:31:54Z","modified":"2026-08-27T21:32:29Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-807"],"updated_at":"2026-11-02T15:11:05.645531Z"}],"nvd":[{"id":"CVE-2026-63041","description":"Reliance on Untrusted Inputs in a Security Decision vulnerability in Apache APISIX.\n\nThis vulnerability allows an attacker to escalate privilege or perform an authorization bypass by sending certain values that the attach-consumer-label plugin does not sanitise correctly.\n\n\nThis issue affects Apache APISIX: from 3.11.0 through 3.17.0.\n\n\n\nUsers are recommended to upgrade to version 3.18.0, which fixes the issue.","status":"published","published":"2026-08-26T12:16:21.353Z","modified":"2026-08-27T19:35:02.667Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-807"],"updated_at":"2026-11-02T14:12:41.66469Z"}],"osv":[{"id":"CVE-2026-63041","title":"Apache APISIX: attach-consumer-label does not strip client-supplied consumer-label headers","description":"Reliance on Untrusted Inputs in a Security Decision vulnerability in Apache APISIX.\n\nThis vulnerability allows an attacker to escalate privilege or perform an authorization bypass by sending certain values that the attach-consumer-label plugin does not sanitise correctly.\n\n\nThis issue affects Apache APISIX: from 3.11.0 through 3.17.0.\n\n\n\nUsers are recommended to upgrade to version 3.18.0, which fixes the issue.","status":"published","published":"2026-08-26T11:34:59.724Z","modified":"2026-10-28T02:30:28.111133199Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-807"],"updated_at":"2026-11-02T15:45:13.306117Z"},{"id":"BIT-apisix-2026-63041","title":"Apache APISIX: attach-consumer-label does not strip client-supplied consumer-label headers","description":"Reliance on Untrusted Inputs in a Security Decision vulnerability in Apache APISIX.\n\nThis vulnerability allows an attacker to escalate privilege or perform an authorization bypass by sending certain values that the attach-consumer-label plugin does not sanitise correctly.\n\n\nThis issue affects Apache APISIX: from 3.11.0 through 3.17.0.\n\n\n\nUsers are recommended to upgrade to version 3.18.0, which fixes the issue.","status":"published","published":"2026-08-28T14:38:19.937Z","modified":"2026-09-10T16:01:07.467266964Z","updated_at":"2026-11-02T15:28:28.267217Z"}]}}